Global to push GA events into
skip to main content

Title: Multi-port valve

A multi-port valve is described for regulating, as a function of ambient air having varying wind velocity and wind direction in an open-field control area, the distribution of a fluid, particularly carbon dioxide (CO{sub 2}) gas, in a fluid distribution system so that the control area remains generally at an elevated fluid concentration or level of said fluid. The multi-port valve generally includes a multi-port housing having a plurality of outlets there through disposed in a first pattern of outlets and at least one second pattern of outlets, and a movable plate having a plurality of apertures extending there through disposed in a first pattern of apertures and at least one second pattern of apertures. The first pattern of apertures being alignable with the first pattern of outlets and the at least one second pattern of apertures being alignable with the second pattern of outlets. The first pattern of apertures has a predetermined orientation with the at least one second pattern of apertures. For an open-field control area subject to ambient wind having a low velocity from any direction, the movable plate is positioned to equally distribute the supply of fluid in a fluid distribution system to the open-field controlmore » area. For an open-field control area subject to ambient wind having a high velocity from a given direction, the movable plate is positioned to generally distribute a supply of fluid in a fluid distribution system to that portion of the open-field control area located upwind. 7 figs.« less
Inventors:
Issue Date:
OSTI Identifier:
462847
Assignee:
Associated Universities, Inc., Washington, DC (United States) PTO; SCA: 420205; PA: EDB-97:062449; SN: 97001767253
Patent Number(s):
US 5,620,025/A/
Application Number:
PAN: 8-347,685
Contract Number:
AC02-76CH00016
Resource Relation:
Other Information: PBD: 15 Apr 1997
Research Org:
Associated Universities Inc
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; FLOW REGULATORS; DESIGN; VALVES; CARBON DIOXIDE; GAS FLOW; APERTURES; ORIENTATION; POSITIONING; OUTLET STRUCTURES; PIPELINES